Home / 47,351.78-65,349.15-27,215.69

Finding the Fourth Proportional to 47,351.78, 65,349.15 and 27,215.69

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Solution

The fourth proportional to 47,351.78, 65,349.15 and 27,215.69 is: 37,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.78 : 65,349.15 = 27,215.69 : x
  2. Step 2: Convert to fraction form
    47,351.78/65,349.15 = 27,215.69/x
  3. Step 3: Cross multiply
    47,351.78x = 65,349.15 × 27,215.69
  4. Step 4: Simplify right side
    47,351.78x = 1,778,522,208.16
  5. Step 5: Solve for x
    x = 1,778,522,208.16/47,351.78
  6. Step 6: Final answer
    x = 37,559.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.